Re: [aspectj-dev] template implementation for interface

[Nicholas Lesiecki <ndlesiecki@xxxxxxxxx>]

I think ITDs like

		private int I.x;

would get the same result...

Nicholas Lesiecki
Software Craftsman, specializing in J2EE,
Agile Methods, and aspect-oriented programming
m: 520 591-1849

Books:
* Mastering AspectJ: http://tinyurl.com/66vf
* Java Tools for Extreme Programming: http://tinyurl.com/66vt

Articles on AspectJ:
* http://tinyurl.com/66vu and http://tinyurl.com/66vv
On Mar 2, 2005, at 9:46 AM, Rice Yeh wrote:

> Hi,
>   The final result should be
>
> public class C implements I {
> 	
> 	private int x;
> 	
> 	public int getX() {
> 		return this.x;
> 	}
> 	
> 	public void setX(int x) {
> 		this.x = x;
> 	}
> }
>
> Regards,
> Rice
>
> --- Rice Yeh <riceyeh@xxxxxxxxx> wrote:
>
> > Hi,
> >   When using aspectj as an extension to my project,
> > I
> > have the following new idea to extend
> > the lanuage itself. I do not know whether anyone
> > else
> > has raised such idea before. In this
> > idea, I coin out a new keyword 'template', which is
> > used as a template implementation for
> > some interface I. See the following example for my
> > idea:
> >
> > Step 1:
> > aspect IntroduceI2T introduces the interface I to
> > the
> > template T.
> >
> > 	public interface I {
> > 	
> > 		public int getX();
> > 	}
> > 	
> > 	public tempalte T {
> > 	
> > 	}
> > 	
> > 	public abstract aspect IntroduceI2T {
> > 	
> > 		declare parents: T implements I;
> > 		
> > 		private int T.x;
> > 		
> > 		public int T.getX() {
> > 			return this.x;
> > 		}
> > 		
> > 		public void T.setX(int x) {
> > 			this.x = x;
> > 		}
> > 		
> > 	}
> >
> > Step 2:
> > Then the aspect IntroduceI2C extends IntroduceI2T.
> > The
> > aspect IntroduceI2C declares another class
> > C extends T.
> >
> > public aspect IntroduceI2C extends IntroduceI2T {
> >
> > 	declare parents: C extends T;
> > }
> >
> > public class C {
> >
> > }
> >
> > Step 3:
> > Afer compling, the class C becomes
> >
> > public class C {
> > 	
> > 	private int x;
> > 	
> > 	public int getX() {
> > 		return this.x;
> > 	}
> > 	
> > 	public void setX(int x) {
> > 		this.x = x;
> > 	}
> > }
> >
> > And the interface I is not changed.
> >
> > Just an idea for discussion.
> >
> > Regards,
> > Rice
> >
> >
> >
> >
> > 	
> > 		
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